/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Returns a control's current value given its index
Returns the current value of the control
template<typename T> T GetControlValue ( int32 InElementIndex, [ERigControlValueType](API\Plugins\ControlRig\Rigs\ERigControlValueType) InValueType ) const